Add version header 0.1.1 to both run.ps1 and run.sh

When only one tool exists, the sorted pipeline returns a single string
instead of an array. Indexing it (e.g., $sorted[0]) then returns a
character rather than the full tool name, causing errors like
"Method invocation failed because [System.Char] does not contain a
method named 'ToLower'".

Wrapping the pipeline in @() ensures $sorted is always an array,
fixing both the list display and number-based selection.

listing

Normalize user input by removing separators (spaces, underscores, dots,
hyphens) and ignore case when looking up targets.  Display names in the
list menu with spaces instead of underscores or hyphens for readability.

Add detection and execution of standalone binary files (without
extensions in shell, with .exe in PowerShell) to the tool runner